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Factorise: 5 + 7x

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in General by kratos

factorise: 5 + 7x - 6x2

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+2 votes
by kratos
 
Best answer

5 + 7x - 6x2

= 5 + 10x - 3x - 6x2

= 5(1 + 2x) - 3x(1 + 2x)

= (1 + 2x)(5 - 3x)

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